Sentinel is a boat dive in the San Juan Islands.
Recent Visibility Reports
Site Briefing & Planning
Use the maps, tides, and weather tools on this site to plan your dive at Sentinel.
Help the PNW community by adding a or with your own insights about this site!
You can also refer to our other .
NOAA Current XTide Current NOAA TidesSentinel
Click a pin to see current, tide, camera, or buoy data near the dive site (you may need to zoom in or out)
Dive site photos
Scenery & 360° views
This site involves boat access; Street View often includes water—visit our map (we still project a dive flag at the site coordinates for reference).
See also Earthview Society's kayak panorama for this dive site (opens in a new tab).
